D. Rightmost Digit
Time Limit: 1000ms
Case Time Limit: 1000ms
Memory Limit: 32768KB
64-bit integer IO format: %I64d Java class name: Main
Given a positive integer N, you should output the most right digit of N^N.
The input contains several test cases. The first line of the input is a single integer T which is the number of test cases. T test cases follow.
Each test case contains a single positive integer N(1<=N<=1,000,000,000).
For each test case, you should output the rightmost digit of N^N.
Hint
In the first case, 3 * 3 * 3 = 27, so the rightmost digit is 7. In the second case, 4 * 4 * 4 * 4 = 256, so the rightmost digit is 6.
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